1.

ClF_(3) molecule has a T-shaped structure and not a trigonal planar one. Why ?

Answer»


Solution :(i) In `ClF_(3)`, central atom Cl has three bond pairs and two lone pairs.
(ii) According to VSEPR THEORY, the two lone pairs will OCCUPY. The equatorialpositions to `ul("minimise")` lp-lp and lp-lp REPULSIONS.
(III) In addition, the axial FLUORINE atoms will be bent towards the equatorialfluorine in order to minimise the lp-lp repulsions.
(iv) Therefore `ClF_(3)` has a bent T-shaped structure.


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